00000nz  a2200000n  4500
001  KSH1998014767
005  20000301123527
008  980429 n azknn|abn          |a a|a    | 
150  ▼a고차 반응▲
450  ▼wr▼i영어▼areaction of higher order▲
550  ▼wg▼a화학 반응[化學反應]▲